For such reasons, we can assume that there must be an important random factor in neural development, and in particular, that errors must and do occur in the development of all normal brains.
基于这些原因，我们可以假设在神经发育过程中一定存在一个重要的随机因素，特别是在所有正常大脑的发育过程中确实也会发生错误。
If it does not appear, do occur in the future?
如果现在没有出现，未来会出现吗？
Although cataracts are rare in children, they do occur in about 1 out of 5,000 births.1.
虽然儿童白内障很少见，但确实存在相关病例，大约每5000个新生儿当中就有一人患有该病。
Likewise, allocation problems of water resources do occur in those region-crossing rivers, even within one country.
同样，在一国之内，跨地区的河流也会出现水资源分配问题。
By separating the problem into smaller components, you will be more likely to reuse when changes do occur in the technology or problem space.
通过将问题划分为更小的组件，当技术空间或问题空间中出现变化时，您就有更多的机会重用代码。
But, this shows you that when climate changes do occur in one part of the world, the whole world will be at risk of climate change because of our globalized society.
但是，这告诉我们，当气候变化影响到世界的某一个地方，由于社会的全球化，整个世界都会受到影响。
Except for praline and hydroxyproline which are imino acids all the amino acids are l-amino acids although d-amino acids do occur in bacterial cell walls and in some antibiotics.
除了脯氨酸和羟基脯氨酸(亚氨基酸)以外，所有的氨基酸是l -氨基酸，但是d -氨基酸出现在细菌细胞壁和一些抗体中。
Why do occur in this region so many stone artifacts?All the music in the reflected image in the propagation of Buddhism, the image covers the Buddhist ritual bowing secularization;
为什么在这个地区会出现如此多的石刻文物?在所有的音乐图像中反映出的佛教传播问题，在图像中涵盖了佛教中礼佛仪式的世俗化问题；
Such sentences do not always occur in thinking, and when they do they are merged with vague imagery and the hint of unconscious or subliminal activities going on just out of range.
这样的句子并不总是出现在思维中，即使出现了，它们也会与模糊的意象和无意识或潜意识活动的暗示混杂在一起。
You should take care to do a complete fix instead of a quick patch, and you should add documentation if the bug is likely to occur in the same place.
您应该花时间去做一个完整的修正，而不是仅仅打一个补丁了事，如果错误可能会出现在同一位置，您还应该添加文档。
Most infections occur in early childhood and those infected do not experience any noticeable symptoms.
大多数感染发生在儿童早期，受感染者并无任何明显症状。
Failover can occur when a systems administrator instructs the nodes in the cluster to do so or when circumstances like a catastrophic application or server failure forces the resource groups to move.
发生故障转移的情况有两种：一是系统管理员指示集群中的节点执行故障转移；二是出现灾难性应用程序或服务器故障的情况迫使资源组转移。
In Japan, it's not unusual for the non-custodial parent to lose contact with his or her child, and domestic abductions, when they do occur, are often ignored by the police as a family matter.
在日本，没有监护权的父母经常与他或她的孩子失去联系，国内拐骗发生时，警察通常作为家庭事务不予理睬。
But there is something that you can do now to stop the cascading events that occur in the body and lead to disease. You can change your diet and begin safeguarding your health for the future.
但是，现在，你能阻止这些级联事件的发生，以免最终患上疾病，你所需要做的只是改变你的饮食方式，这样你未来的健康就有了保障。
If you know that some classes are likely to change, then you may choose to implement them in one or two components if it makes sense to limit the scope of the changes when they do occur.
如果您知道某些类可能改变，那么如果在改变确实发生时限制改变的范围有意义，您就可以选择在一两个组件中实现它们。
Failure to do so will result in a broken environment a risky proposition when updates can occur at any time.
如果失败了，将会使得环境出现问题，从而带来风险，因为数据更新随时可能发生。
It may seem obvious, but it is important to comprehensively test these components in order to verify that when a failure does occur, they do their job and maintain availability.
虽然可能看起来很明显，但是全面测试这些组件，以验证当一个组件失效发生时它们会作相应的工作并维护可用性是很重要的。
We know that memory consolidation can occur in sleep, but we also know that those extra hours studying can do some good.
我们都知道在睡眠时记忆会得到加深，但我们也知道多看几个小时的书裨益绝对不小。
It's clear that we all do believe in the possibility, indeed, more than a mere possibility, the actuality of meetings that occur without us.
显然我们都相信这种可能，且不仅仅是一种可能，会议确实在我们不在的情况下举行了。
Observation of the server over extended periods of time (with variation in load) shows that the errors that occur under load do not leave any lasting impact or have adverse effects on other requests.
对服务器的观察(负荷会发生波动)显示高负荷下产生的错误，不会造成什么长时间的影响，或者对其他的请求造成什么负面的效果。
Do you have directories that should be protected from disk-full errors that might occur because of files stored in other directories?
在其他目录中存储的文件导致磁盘满错误时，是否应该防止某些目录受到影响？
One caveat here is that service object local calls do not go through the transactional proxy, and thus will always occur in the transaction context of the caller.
这里需要注意的一点在于，服务对象本地调用并不经过事务代理，因此将始终在调用者的事务上下文中进行。
We argue here that although malfeasance and dishonesty do indeed occur, they are not necessarily the normal or expected behavior in practice.
在此，我们认为，尽管确实出现了一些不规范或不诚信的行为，但是这些行为不应在实践中成为通告的或预期行为。
The few that do occur usually involve criminal gangs and take place in big cities; passers-by are occasionally caught in the crossfire but are not the intended targets.
在这为数甚少的案件中，通常也与犯罪团伙有关，一般发生在大城市；路人偶尔会在交火中被卷入，但不会成为可依的目标。
Because the widgets are reusable application components that are assembled together in an ad-hoc fashion to provide business capabilities, trade-offs do occur.
因为小部件是可重用的应用程序组件，并且是为了提供业务功能而临时组合起来的，因此需要进行权衡。
If Chinese do not understand the low-context system used in the United States and Americans do not understand the high-context system used in China, misunderstandings will occur.
中国人如果不了解美国人的坦率习惯，或美国人不了解中国人含蓄的表达方式，那么，就不可避免地要产生误解了。
Consolidation occurs immediately; you do not have to wait for a task to run before disk space savings occur in the size of documents with attachments.
此时立即发生整合；您无需等待运行任何任务，就可以节省存放包含附件的文档的磁盘空间。
But we do observe that almost always these changes occur in the context of a personal relationship.
但是，我们的确看到，几乎这些变化总是发生在个人人际关系的背景下。
This recurring appointment begins on a leap year. The first recurrence occurs the year after. Do you want your recurrence to occur in the start year?
此定期约会开始于闰年。第一个定期约会出现在第二年。是否希望定期约会出现在开始的那一年？
They occur when in the midst of reading you start pondering that conversation you just had with a friend, the movie you want to see or whether you should do your laundry.
在阅读开始的时候，你不知道该去看电影还是应该洗衣服。
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